With the increase of the infected, Blackwatch sends in more reinforcements along with D-Code soldiers. Although the D-codes detect Mercer's presence, their main priority is Bloodtox deployment. To make matters worse, Hydras have now surfaced to harass the military forces. However, Blackwatch (along with Mercer) manage to take them out, ensuring successful deployment of Bloodtox.

With the last of Greene's infected forces killed, Elizabeth Greene emerges to the surface in a behemoth form.